Today’s midday gainers are IAC/InterActiveCorp (NASDAQ:IACI), SolarCity Corp (NASDAQ:SCTY), NovaCopper Inc (NYSEMKT:NCQ) and midday losers are Rite Aid Corporation (NYSE:RAD), Cobalt International Energy, Inc. (NYSE:CIE), Gold Fields Limited (NYSE:GFI).

John Paulson

IAC/InterActiveCorp is today’s top performing stock

On top of our midday gainer list is IAC/InterActiveCorp (NASDAQ:IACI), the tech company shot up +16.24% to $69.85 after announcing that Greg Blatt will become Chairman of IAC’s newly-created Match Group. David Einhorn holds 1.7 million shares, composing 1.74% of his fund. The billionaire paid an average price of $46.32 per asset.

The second company in our midday list is SolarCity Corp (NASDAQ:SCTY), the energy company increased +8.54% reaching $57.30. During last quarter, Tiger Global Management reported a 50,000 shares positions (0.29% of its holdings) for $36.89 per share.

NovaCopper Inc (NYSEMKT:NCQ), is our last stock in our midday gainer list. The exploration-stage company rose +6.38% to $1.49. Investor Seth Klarman holds more than five million shares (0.27% of his fund) acquired for $2.94. Another billionaire with a position in NCQ is John Paulson, who owns 5.9 million shares (0.07% of his portfolio) purchased for $3.33.

Bad day for Paulson and Dalio

Today’s midday loser is Rite Aid Corporation (NYSE:RAD), the retail drugstore dipped -9.46% to $5.22 despite its Q3 profit increased +16%. As of September, David Einhorn holds 16.1 million shares (1.37% of his fund), purchased at an average price of $2.43. Ray Dalio has RAD stakes as well, he picked up 96,000 shares for $3.84.

Following Rite Aid Corporation is Cobalt International Energy, Inc. (NYSE:CIE), the development stage company dropped -8.05% to $14.40. Billionaire John Paulson holds 11.6 million shares (1.86% of his fund) acquired for $27.05. As of September, Ray Dalio owns 52,000 shares, composing 0.01% of his portfolio. The investor paid an average price of $27.16.

Third and last company in our list is Gold Fields Limited (NYSE:GFI), the mining company was down -5.99%, hitting $3.01. This was another blow for Paulson and Dalio who own 6.5 million shares (0.19% of his fund) and 373,000 shares (0.01% of his holdings), respectively.